A215418 - OEIS

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A215418

Number of Regular and Stellar polytopes in n-dimensional Euclidean space, or -1 if infinite.

1, -1, 9, 16, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,3

COMMENTS

This is the number of Regular (including Stellar) polytopes in n-dimensions.

REFERENCES

H. S. M. Coxeter, Regular Polytopes, 3rd ed., Dover, NY, 1973.

LINKS

Table of n, a(n) for n=1..66.

CROSSREFS

Sequence in context: A093595 A330429 A372213 * A133816 A048752 A293376

Adjacent sequences: A215415 A215416 A215417 * A215419 A215420 A215421

KEYWORD

sign

AUTHOR

Douglas Boffey, Aug 12 2012

STATUS

approved